Meanings
proper noun
- Roman cognomen, particularly borne by the Roman emperor Gaius Aurelius Valerius Diocletianus (245-313).
adjectiveDiocletian (not comparable)
Synonyms & antonyms
adjectiveOf or relating to the Roman emperor Diocletian.
Similar
Origin
- Ancient GreekΔιοκλῆς
- LatinDioclētiānus
- EnglishDiocletian
From Latin Dioclētiānus, Latinate form of Ancient Greek Διοκλῆς (Dioklês). The Roman emperor was named so after his home town of Dioclea in Illyricum.
More words from Latin, Ancient Greek
Full word history & related roots →Translations
Ancient Greek Διοκλῆς, Διοκλητιανός
- Διοκλῆς (Dioklês)Roman cognomen
- Διοκλητιανός (Dioklētianós)Roman cognomen
Catalan Dioclecià
- DiocleciàRoman cognomen
French Dioclétien
- DioclétienRoman cognomen
German Diokletian
- DiokletianRoman cognomen
Greek Διοκλητιανός
- Διοκλητιανός (Dioklitianós)Roman cognomen
Hungarian Diocletianus
- DiocletianusRoman cognomen
Indonesian Diocletianus
- DiocletianusRoman cognomen
Italian Diocleziano
- DioclezianoRoman cognomen
Latin Dioclētiānus
- DioclētiānusRoman cognomen
Malay Diocletian
- DiocletianRoman cognomen
Portuguese Diocleciano
- DioclecianoRoman cognomen
Romanian Dioclețian
- DioclețianRoman cognomen
Russian Диоклетиан
- Диоклетиан (Diokletian)Roman cognomen
Spanish Diocleciano
- DioclecianoRoman cognomen
Turkish Diocletianus
- DiocletianusRoman cognomen
Rhymes & wordplay
Anagrams
Cite this entry
APA
Diocletian. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/Diocletian
MLA
“Diocletian.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Diocletian. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “Diocletian,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/Diocletian.
Source: Diocletian on Wiktionary, CC BY-SA 4.0.